Ferdinand wilhelm theodor jedeck



(No Model.)

F..W. T. JEDBGK. UMBRELLA RIB LOCKING DEVICE.

Patented June 26, 1894.

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UNITED STATES PATENT OFFICE.

FERDINAND WILHELM THEODORJEDEGK, OF BERLIN, GERMANY.

UMBRELLA-RlB-LOCKING DEVICE.

SPECIFICATION forming part of Letters Patent No. 522,016,'dated June 26, 1894. Application filed November 28, 1892. Serial No. 4631303. (N0 model.) Patented in England November 16, 1892, No. 20,629. i

To aZZ whom it may concern:

Be it known that I, FERDINAND WILHELM THEODOR J EDEOK, a subject of the German Emperor, residing at Berlin, German Empire, have invented a certain new and useful Locking Device for the Ends of the Ribs in Umbrellas, of which the following is a description, a patent for the said invention having been granted tome in Great Britain on the 15th day of November, 1892, numbered 20,629.

In my improved locking device for the ends of the ribs in umbrellas, I employ semi-circular bows, provided with arms forming right angles with said bows, which arms are mounted in a casing fastened to the stick of the umbrella so as to allow of a rotary motion. The pivots of the arms housed in said casing are acted upon by a spring likewise arranged in said casing, andin this manner I secure the locking device in open or closed position.

.In the annexed drawings which form a part of this specification, and in which like parts are designated by like letters of reference throughout all the views, I have illustrated my locking device.

Figure I, shows the locking device when closed. Fig. II, shows the same when open. Fig. III, shows a section on the line ac-m of Fig. I. Fig. IV, shows a section on the line 'yy of Fig. III. Figs. V and VI, illustrate the manner in which the arms of the bows are housed in the casing fastened to the stick, and the action of the spring upon the pivots of the arms. Figs. VII and VIII, show the inner socket fastened to the stick and carrying the spring casing. view of one of the bows. Fig. X, shows the two bows in the closed position. Fig. XI, shows a top view of the two bows; and Fig. XII, shows the bows in open position.

As hereinbefore said, the bows which effect the locking of the ribs are acted upon by a spring. In the construction illustrated in Figs. I to VIII the device is formed of two semi-circular bows a, a, the arms I), b, b b of which are mounted so as to allow of a rotary motion by means of pivots c c, c c in the casing d, in which casing is also arranged a spring e, and which casing is attached to the socket g fastened to the stick f, so that Fig. IX, shows a sidethe bows are secured in open and closed position by the spring 6. To this end the pivots c, c, c c of the arms I), b, b b are (as shown in Figs. IX to XII), provided with square heads h h, h h, which are acted upon by the spring 6, located in the casing d in the manner illustrated in Figs. V and VI. Said socket g is provided with wings or projections t, which support the ring it; said ring serving as abottom for the casing d, and sustaining the spring e that is arranged as hereinbefore said, in said casing 01. The socket g projects up centrally through the casing 01, (Fig. IV) and is flanged over the top of said casing d. In this manner the Hanging ofthe socket g, in connection with the projections holds the casing d, with the spring 6, in position, v

as will be readily understood on examining Fig. IV. g

If (as shown in Fig. VI) the bows a a are turned upward, e. e., the locking device is opened, the spring e will be first pushed in by the square heads h, as shown in Fig. VI, and thereupon reassume its original position as soon as the bows are entirely opened. The same action takes place when the device is closed, so that the bows a a are secured in both the open and closed positions by the spring e. v

Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A locking device for the ribs in umbrellas, consisting of a socket piece adapted to be fixed on the umbrella stick, a casing on said socket piece, a spring in said casing, semicircular bows for locking the ends of the ribs and provided with arms that are perpendicular to the bows, pivots on said arms working in said case and square heads on the pivots adapted to engage said springs so that the bows will be secured in both open and closed positions, substantially as described.

2. The combination with a locking device for the ends of ribs of umbrellas of a socket piece on the umbrella stick, a casing secured thereon, a compressible spring in said casing, and bows adapted to lock the ribs of the umbrella and provided with arms pivoted in said casing and carrying square heads that are 100 adapted to act on said spring, substantially connected with said arms and adapted to lock 10 as described. the ends of the ribs of the umbrella, substan- 3. The combination with looking devices tially as described.

for ribs in umbrellas, and with the socket g In witness whereof I have hereunto set my and easing cl, of a spring in said casing, arms hand in presence of two Witnesses.

pivoted in saidcasing and provided with heads FERDINAND WILIIELH THEODOR JEDECK. having Working faces at right angles each to Witnesses:

each and adapted to be held by said spring in WV. HAUPT,

both the open and closed position, and bows BRUNO EBERTH. 

